21122976

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 68693184

約数和(自身を除く): 47570208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 43, 48, 51, 56, 68, 84, 86, 96, 102, 112, 119, 129, 136, 168, 172, 204, 224, 238, 258, 272, 301, 336, 344, 357, 408, 476, 516, 544, 602, 672, 688, 714, 731, 816, 903, 952, 1032, 1204, 1376, 1428, 1462, 1632, 1806, 1849, 1904, 2064, 2193, 2408, 2856, 2924, 3612, 3698, 3808, 4128, 4386, 4816, 5117, 5547, 5712, 5848, 7224, 7396, 8772, 9632, 10234, 11094, 11424, 11696, 12943, 14448, 14792, 15351, 17544, 20468, 22188, 23392, 25886, 28896, 29584, 30702, 31433, 35088, 38829, 40936, 44376, 51772, 59168, 61404, 62866, 70176, 77658, 81872, 88752, 94299, 103544, 122808, 125732, 155316, 163744, 177504, 188598, 207088, 220031, 245616, 251464, 310632, 377196, 414176, 440062, 491232, 502928, 621264, 660093, 754392, 880124, 1005856, 1242528, 1320186, 1508784, 1760248, 2640372, 3017568, 3520496, 5280744, 7040992, 10561488, 21122976]

約数ペア:

[(1, 21122976), (2, 10561488), (3, 7040992), (4, 5280744), (6, 3520496), (7, 3017568), (8, 2640372), (12, 1760248), (14, 1508784), (16, 1320186), (17, 1242528), (21, 1005856), (24, 880124), (28, 754392), (32, 660093), (34, 621264), (42, 502928), (43, 491232), (48, 440062), (51, 414176), (56, 377196), (68, 310632), (84, 251464), (86, 245616), (96, 220031), (102, 207088), (112, 188598), (119, 177504), (129, 163744), (136, 155316), (168, 125732), (172, 122808), (204, 103544), (224, 94299), (238, 88752), (258, 81872), (272, 77658), (301, 70176), (336, 62866), (344, 61404), (357, 59168), (408, 51772), (476, 44376), (516, 40936), (544, 38829), (602, 35088), (672, 31433), (688, 30702), (714, 29584), (731, 28896), (816, 25886), (903, 23392), (952, 22188), (1032, 20468), (1204, 17544), (1376, 15351), (1428, 14792), (1462, 14448), (1632, 12943), (1806, 11696), (1849, 11424), (1904, 11094), (2064, 10234), (2193, 9632), (2408, 8772), (2856, 7396), (2924, 7224), (3612, 5848), (3698, 5712), (3808, 5547), (4128, 5117), (4386, 4816)]